Search a number
-
+
230256845180 = 22561188735119
BaseRepresentation
bin1101011001110001100…
…0001010000101111100
3211000022222212200012222
43112130120022011330
512233031223021210
6253440055144512
722430656614425
oct3263430120574
9730288780188
10230256845180
1189718a9387a
1238760675138
131893698256b
14b2046a864c
155ec98d5655
hex359c60a17c

230256845180 has 24 divisors (see below), whose sum is σ = 491466252480. Its totient is φ = 90592856640.

The previous prime is 230256845101. The next prime is 230256845183. The reversal of 230256845180 is 81548652032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230256845183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94366340 + ... + 94368779.

It is an arithmetic number, because the mean of its divisors is an integer number (20477760520).

Almost surely, 2230256845180 is an apocalyptic number.

230256845180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230256845180 is an abundant number, since it is smaller than the sum of its proper divisors (261209407300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230256845180 is a wasteful number, since it uses less digits than its factorization.

230256845180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188735189 (or 188735187 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 44.

The spelling of 230256845180 in words is "two hundred thirty billion, two hundred fifty-six million, eight hundred forty-five thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1220 188735119 377470238 754940476 943675595 1887351190 3774702380 11512842259 23025684518 46051369036 57564211295 115128422590 230256845180